Famous for her childhood role on the NBC paranormal series Medium, she shared the character of Marie DuBois with her twin sister Madison Carabello. Miranda appeared in a total of seventy-three episodes of the series, while Madison was featured in forty-three episodes.
She made her Medium debut at the age of three in the October 17, 2005 episode "Sweet Dreams."
She was featured in a 2008 special titled The Making of Medium: Season 4.
Between 2011 and 2012, she appeared with Troian Bellisario in two episodes of the ABC Family series Pretty Little Liars.